macro keypad

Whim:In a language to write C + + plug-in, can replace the macro definition,You can do this by adding specific tags to C + +, such as The middle code can be translated into C + + code and compiled with the C + + compiler.Bothered:1.c++ macro must be anti-slash, and then need a lot of repetitive logic code, the need for macros to reduce the amount of code, to achieve efficient work;2. If there is a large num

This article first introduces Linux under the Classic macro definition, feel the wisdom of the geek, and then according to the classic definition for the next blog to pave the groundwork.Offsetof MacroDefinition:Gets the offset of the variable member (MEMBER) of the struct body (TYPE) in this struct. #define OFFSETOF (Type, MEMBER) ((size_t) ((TYPE *) 0)->member)Description: Gets the offset of the variable member (MEMBER) of the struct body (TYPE) in

First look at the macro definition of __user: #ifdef __checker__# define __user __attribute__ (Noderef, Address_space (1)) As you can see from the macro definition, the __user macro definition is valid under the condition that you configure the __CHECKER__ macro, and it is obvious that the

directory of this document Introduction to preprocessing Directives One, macro definition without parameters Second, macro definition with parameters Description: This C language topic is the prelude to learning iOS development. And for programmers with an object-oriented language development experience, you can quickly get started with C language. If you don't have programming experie

Introduction to preprocessing Directives One, macro definition without parameters Second, macro definition with parameters Description: This C language topic is the prelude to learning iOS development. And for programmers with an object-oriented language development experience, you can quickly get started with C language. If you don't have programming experience, or are no

I didn't like macros much when I started to use the C language. Code I also have to understand. Macros can be defined in the sourceProgramBut is usually placed before. Data.Some simple macros can be replaced by equ, textequ, OR =, but macros have more complex functions. The essence of "macro" is "Replacement", but it is like "sub-process ";Therefore, there are both macro processes and

Http://tech.e800.com.cn/articles/2009/727/1248665385863_1.html Many C ++ books advise us that C language macros are the first of all evil, but things are not as bad as we think, just like Goto. MacroA major role is to automatically generateCode. If the template can generate various types of code (type replacement) for us ),In fact, macros can generate new Code (replacement and addition of symbols) on the symbols ). You can find some macro Synt

#springMessage ("xxx") to deal with internationalization:The way spring handles internationalization can be very special, because this tag can be used.This tag is used only after spring has integrated the velocity template. This template is available in:Org.springframework.web.servlet\src\main\java\org\springframework\web\servlet\view\velocity\spring.vmThe first macro in the velocity template is the springmessage tag, and there are other markers, whic

In the book or the novel print, you do not set reverse order printing, then the paper will need to be rearranged, because the first page is placed in the bottom, many words obviously not that time to another one of the tune. Here's how to use the macro method to solve Excel table in reverse order printing. Start the Excel table and click View-Macro-to record the macro